<div class="navbar-body row no-margin">
    <div class="col-xs-2">
        <a (click)="goback()" href="javascript:void(0)">
            <span class="glyphicon glyphicon-arrow-left"></span>
            <span> 返回</span>
        </a>
    </div>
    <div class="col-xs-2 col-xs-offset-8 text-right" *ngIf="showAddBtn">
        <a href="javascript:void(0)" (click)="addData()" class="btn btn-danger btn-xs" role="button"> 
            <span class="glyphicon glyphicon-plus"></span>
        </a>
    </div>
</div>